Inventive Principle 1: SegmentationInventive Principle 2: Taking OutInventive Principle 3: Local QualityInventive Principle 4: AsymmetryInventive Principle 5: MergingInventive Principle 6: Multi-FunctionInventive Principle 7: Nested DollInventive Principle 8: CounterweightInventive Principle 9: Prior CounteractionInventive Principle 10: Prior ActionInventive Principle 11: Cushion in AdvanceInventive Principle 12: Equal PotentialInventive Principle 13: The Other Way RoundInventive Principle 14: Spheres and CurvesInventive Principle 15: DynamismInventive Principle 16: Partial or Excessive ActionInventive Principle 17: Another DimensionInventive Principle 18: Mechanical VibrationInventive Principle 19: Periodic ActionInventive Principle 20: Continuous Useful ActionInventive Principle 21: Rushing ThroughInventive Principle 22: Blessing in DisguiseInventive Principle 23: FeedbackInventive Principle 24: IntermediaryInventive Principle 25: Self-serviceInventive Principle 26: CopyingInventive Principle 27: Cheap, Short-Living ObjectsInventive Principle 28: Replace Mechanical SystemInventive Principle 29: Pneumatics and HydraulicsInventive Principle 30: Flexible Membranes and Thin FilmsInventive Principle 31: Porous MaterialsInventive Principle 32: Colour ChangeInventive Principle 33: Uniform MaterialInventive Principle 34: Discarding and RecoveringInventive Principle 35: Parameter ChangeInventive Principle 36: Phase ChangesInventive Principle 37: Thermal ExpansionInventive Principle 38: Boosted InteractionsInventive Principle 39: Inert AtmosphereInventive Principle 40: Composite Structures